udev: fix rules for my monsgeek m1

nixos.nix

@@ -250,11 +250,17 @@ in
     users = [ "wizardlink" ];
   };
 
+  services.udev = {
     # Vial udev rule for Monsgeek M1
-  services.udev.extraRules = ''
+    extraRules = ''
+      # Monsgeek M1
       KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="fffe", ATTRS{idProduct}=="0005", MODE="0660", GROUP="users", TAG+="uaccess", TAG+="udev-acl"
     '';
 
+    # WB32 DFU rules - needed for flashing
+    packages = [ (pkgs.callPackage ./services/udev/wb32dfu.nix { }) ];
+  };
+
   # enable a better driver for wireless xbox controllers.
   hardware.xpadneo.enable = true;
 

services/udev/wb32dfu.nix

@@ -0,0 +1,19 @@
+{
+  stdenv,
+}:
+
+stdenv.mkDerivation {
+  pname = "wb32dfu-udev-rules";
+  version = "0-unstable-2024-09-15";
+  src = ./.;
+
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    install -D wb32dfu.rules $out/lib/udev/rules.d/50-wb32dfu.rules
+
+    runHook postInstall
+  '';
+}

services/udev/wb32dfu.rules

@@ -0,0 +1,2 @@
+# WB32 DFU
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="342d", ATTRS{idProduct}=="dfa0", TAG+="uaccess"